Acknow /(ăk*nō")/

Ac·know

Acknow

v. t.
  1. To recognize. [Obs.]
  2. To acknowledge; to confess. [Obs.]
    We say of a stubborn body that standeth still in the denying of his fault, This man will not acknowledge his fault, or, He will not be acknown of his fault.
    — Sir T. More.

Phrases & Compounds
To be acknown
to acknowledge; to confess.